HomePrefix Lookup210.122.0.0/16

210.122.0.0/16

🇰🇷
CIDR
210.122.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇰🇷 South Korea
City
Seongnam-si (Yatap-dong)
RIR
APNIC
Status
allocated
Allocated
11/26/1996

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
210.122.0.0/16AS9848SejongTelecom-AS-KR-KR - SEJONG NETWORKSNo ROA
RADB
5/31/2026

Covering Prefix

50 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
210.122.16.0/20AS4961DISC-AS-KR-KR - Daewoo Information SystemsNo ROA—5/31/2026
210.122.128.0/20AS131826HY-AS-KR-KR - hyNo ROA—5/31/2026
210.122.128.0/21AS131826HY-AS-KR-KR - hyNo ROA—5/31/2026
210.122.16.0/22AS3786LGDACOM-KR - LG DACOM CorporationNo ROA—5/31/2026
210.122.72.0/22AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.140.0/22AS131826HY-AS-KR-KR - hyNo ROA—5/31/2026
210.122.230.0/23AS9848SejongTelecom-AS-KR-KR - SEJONG NETWORKSNo ROA—5/31/2026
210.122.78.0/23AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.80.0/23AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.74.0/23AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.108.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.96.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.97.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.98.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.99.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.100.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.101.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.102.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.103.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.104.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.105.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.106.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.107.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.109.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.110.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.111.0/24AS9578CJNET-AS-KR - Cheiljedang.Co.Inc.No ROA—5/31/2026
210.122.1.0/24AS9952HOSTWAY-AS-KR-KR - Hostway IDCNo ROA—5/31/2026
210.122.6.0/24AS9952HOSTWAY-AS-KR-KR - Hostway IDCNo ROA—5/31/2026
210.122.0.0/24AS9952HOSTWAY-AS-KR-KR - Hostway IDCNo ROA—5/31/2026
210.122.9.0/24AS9952HOSTWAY-AS-KR-KR - Hostway IDCNo ROA—5/31/2026
210.122.40.0/24AS9952HOSTWAY-AS-KR-KR - Hostway IDCNo ROA—5/31/2026
210.122.72.0/24AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.176.0/24AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.177.0/24AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.73.0/24AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.76.0/24AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.77.0/24AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.69.0/24AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.80.0/24AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.81.0/24AS17837KCP-AS-KR-KR - NHN KCP Corp.No ROA—5/31/2026
210.122.123.0/24AS18317SHINHANSYS2-AS-KR-KR - SHINHAN DSNo ROA—5/31/2026
210.122.171.0/24AS38123AMCSEOUL-AS-KR-KR - asan medical centerNo ROA—5/31/2026
210.122.173.0/24AS38123AMCSEOUL-AS-KR-KR - asan medical centerNo ROA—5/31/2026
210.122.172.0/24AS38123AMCSEOUL-AS-KR-KR - asan medical centerNo ROA—5/31/2026
210.122.170.0/24AS38123AMCSEOUL-AS-KR-KR - asan medical centerNo ROA—5/31/2026
210.122.138.0/24AS131826HY-AS-KR-KR - hyNo ROA—5/31/2026
210.122.128.0/24AS131826HY-AS-KR-KR - hyNo ROA—5/31/2026
210.122.136.0/24AS131826HY-AS-KR-KR - hyNo ROA—5/31/2026
210.122.137.0/24AS131826HY-AS-KR-KR - hyNo ROA—5/31/2026
210.122.139.0/24AS131826HY-AS-KR-KR - hyNo ROA—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS9848RADBMAINT-AS931811/13/2023
Geolocation
Country🇰🇷South KoreaKR
RegionGyeonggi-do
CitySeongnam-si (Yatap-dong)
GEThttps://api.ipctl.io/v1/prefix/210.122.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/210.122.0.0/16" | jq